* settings tab rework: add a lot of additional explanations and links
* load extensions' git metadata in parallel to loading the main program to save a ton of time during startup
* update extensions table: show branch, show date in separate column, and show version from tags if available
* TAESD - another option for cheap live previews
* allow choosing sampler and prompts for second pass of hires fix - hidden by default, enabled in settings
### Minor:
* gradio bumped to 3.31.0
* Bump pytorch to 2.0.1 for OSX and Linux AMD
* allow setting defaults for elements in extensions' tabs
* allow selecting file type for live previews
* Show "Loading..." for extra networks when displaying for the first time
* suppress ENSD infotext for samplers that don't use it
* clientside optimizations
* add options to show/hide hidden files and dirs in extra networks, and to not list models/files in hidden directories
* allow whitespace in styles.csv
* add option to reorder tabs
* move some functionality (swap resolution and set seed to -1) to client
* option to specify editor height for img2img
* button to copy image resolution into img2img width/height sliders
* switch from pyngrok to ngrok-py
* lazy-load images in extra networks UI
* set "Navigate image viewer with gamepad" option to false by default, by request
### Extensions:
* add /sdapi/v1/script-info api
* use ruff to lint python code
* use eslit to link javascript code
* Add/modify CFG callbacks for Self-Attention Guidance extension
* command and endpoint for graceful server stopping
* add some locals (prompts/seeds/etc) from processing function into the Processing class as fields
* rework quoting for infotext items that have commas in them to use json (should be backwards compatible except for cases where it didn't work previously)
### Bug Fixes:
* fix an issue preventing the program from starting if the user specifies a bad gradio theme
* fix broken prompts from file script
* fix symlink scanning for extra networks
* fix --data-dir ignored when launching via webui-user.bat COMMANDLINE_ARGS
* allow web UI to be ran fully offline
* fix inability to run with --freeze-settings
* fix inability to merge checkpoint without adding metadata
* fix extra networks save preview image not adding infotext for jpeg/webm
* remove blinking effect from text in hires fix and scale resolution preview
